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boston_blacky's avatar
boston_blacky
Explorer
Jun 19, 2013

Correct mix formula - 1/2 water and 1/2 coolant??

Greetings; So I finally found the radiator drain plug on my 2005 Dodge RAM 2500 Diesel. It's-you guessed it-made of plastic! My only question now is - before I drain and flush it this weekend - what...
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RAS43's avatar
RAS43
Explorer III
Jun 20, 2013
rhagfo wrote:

Well two things, Cummins ISB 5.9's use standard Prestone or Zerex anti-freeze. Cummins is a non sleeved engine the block and cylinders are all one piece. Ford and GM both are sleeved engines and require special anti-freeze to prevent cavitation of the cylinders.


I can't speak about GM but the Ford diesels are not sleeved. And I have seen non-sleeved engines that had caitation. A retired diesel mechanic.

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